689488941312 has 360 divisors, whose sum is σ = 2233988655360. Its totient is φ = 210705960960.

The previous prime is 689488941301. The next prime is 689488941313. The reversal of 689488941312 is 213149884986.

689488941312 is a `hidden beast` number, since 6 + 89 + 488 + 9 + 41 + 31 + 2 = 666.

It is a super-3 number, since 3×689488941312³ (a number of 36 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 689488941312.

It is not an unprimeable number, because it can be changed into a prime (689488941313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12185278 + ... + 12241730.

Almost surely, 2^689488941312 is an apocalyptic number.

689488941312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689488941312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116994327680).

689488941312 is an abundant number, since it is smaller than the sum of its proper divisors (1544499714048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689488941312 is a wasteful number, since it uses less digits than its factorization.

689488941312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56531 (or 56508 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The spelling of 689488941312 in words is "six hundred eighty-nine billion, four hundred eighty-eight million, nine hundred forty-one thousand, three hundred twelve".